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  5. Standardization and Application of an Index of Community Integrity for Waterbirds in the Chesapeake Bay

Standardization and Application of an Index of Community Integrity for Waterbirds in the Chesapeake Bay

Dates

Publication Date
Start Date
2012
End Date
2014

Citation

Prosser, D.J., 2017, Standardization and Application of an Index of Community Integrity for Waterbirds in the Chesapeake Bay: U.S. Geological Survey data release, https://doi.org/10.5066/F7H70CZS.

Summary

This data set is comprised of five files related to the modification and scoring of Index of Waterbird Community Integrity (IWCI) scores for all waterbirds of the Chesapeake Bay. One Excel file (A) contains a list of 100+ Chesapeake waterbird species and their species attribute and IWCI scores. Another Excel file (B) contains case study data from recent surveys of breeding and migratory waterbirds in Chesapeake Bay and shoreline delineations across a disturbance gradient that were used to demonstrate the utility of the modified index. Finally, three supplemental files include an Access database (C), R code (D) and a protocol (E) for running the complex steps to calculate index scores.

Contacts

Point of Contact :
Diann J. Prosser
Originator :
Diann J. Prosser
Metadata Contact :
Diann J. Prosser
Publisher :
U.S. Geological Survey
Distributor :
GS ScienceBase
USGS Mission Area :
Ecosystems
SDC Data Owner :
Eastern Ecological Science Center

Attached Files

Click on title to download individual files attached to this item.

Standardization_and_Application_of_an_Index_of_Community_Integrity_for_Waterbirds_in_the_Chesapeake_Bay.xml
“Metadata”
Original FGDC Metadata
View 		17.75 KB application/fgdc+xml
R_Code_for_Calculating_IWCI_Scores_Methods_Paper.R
“R script for Calculating IWCI Scores” 		23.41 KB text/x-rsrc
Prosser et al_NOAA IWCI Methods_Protocol_for_Calculating_IWCI_in_R.docx
“Protocol for Calculating IWCI Scores in R” 		30.23 KB application/vnd.openxmlformats-officedocument.wordprocessingml.document
Prosser et al_NOAA IWCI Methods_Case Study Data.csv
“csv file of Case Study Data in the Access Database” 		618 Bytes text/csv
Prosser et al_NOAA IWCI Methods_Case Study Data Definitions.csv
“csv file of definitions for the Case Study data” 		462 Bytes text/csv
Prosser et al_NOAA IWCI Methods_CB Spp List.csv
“csv file of the Chesapeake Bay Species List” 		10.08 KB text/csv
Prosser et al_NOAA IWCI Methods_CB Spp List Definitions.csv
“csv file of definitions for the Spp List” 		3.96 KB text/csv
IWCI_Methods_Paper.accdb
“Supplemental Access Database for running R script” 		2.88 MB application/x-msaccess

Purpose

The purpose of this study is to provide a robust, consistent approach for defining each of the IWCI criteria, and to apply this approach to the suite of waterbird species that may be encountered in the Chesapeake Bay region. We demonstrate the utility of the index by applying it to data from surveys of breeding and migratory waterbirds in seven subestuaries with differing degrees of urban development. This explicitly-defined scoring system will facilitate application to new species in the Bay or new areas beyond this region. By providing these updates and analysis tools, we expect this approach will be much more accessible to new studies and regions, and provides a consistent methodology which can be applied across studies

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Communities

  • Eastern Ecological Science Center
  • Patuxent Wildlife Research Center
  • USGS Data Release Products

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Additional Information

Identifiers

Type Scheme Key
DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/F7H70CZS

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